wolf killer
the speed of the arrow determines how much KE the arrow will carry
the configuration of the fletching determines how much down range speed is lost or retained

it is getting redundant but shooting a 260 GN arrow with blazer vanes out of my bow traveling traveling at the rate 355 FPS off the string is carrying 73 foot pounds of KE, at 60 yards the arrow is still traveling 306 FPS and still carrying 54 foot pounds of KE and has dropped 60"

shooting one of my old hunting arrows which weighs 436 GN with 4" feathers out of the same bow is traveling at 278 FPS off the string and is carrying 75 Foot pounds of KE at 60 yards the arrow is traveling at 227 and carrying 50 foot pounds of KE and has dropped 109"

I dont think you have considered all of the variables before making your surmise.